Apparatus for controlling recoil



R. H. S. HUGHES Filed March 6, 1937 APPARATUS FOR CONTROLLING RECOIL July 2, 1940.

gn/uc/rvfo fiber/arid f/uw/ss I Qua/[W 0 I Patented July 2, 1940 PATENT OFFICE mm'ros roacon'mounzo anoon.

Robert H. S. Hughes, Baltimore. Md., asaignor mum,

of one-hair tojliiton Baltimore. Md.

Applhation m c. maserm No. 129.491

BGlaims.

My invention relates to a device for controlling recoil and it is particularly adapted for use in controlling the recoil of firearms. In connection with the use of the device on firearms it is desirable to eliminate climb, since climb interferes with accurate shooting, in particular where the shots are delivered in rapid succession.

It is an object of my invention to eliminate, or minimize climb, as well as whip.

It is a further object of my invention to provide a recofl control which is simple in construction, light, durable. and cheap to manufacture. I

With these and other objects in view, which may be incident to my improvements, the invention consists in the parts and combinations to be hereinafter set forth and claimed, with the understanding that the several necessary lements comprising'my invention may be varied Tn construction, proportions and arrangements, without departing from the spirit and scope of the appended claims.

In order to make my invention more clearly understood, I have shown in the accompanying drawing means for carrying the same into practical efiect without .limiting the improvements in their useful applications to the particular constructions which, for the purpose of explanation,

have been made the subject of illustration.

In the drawing:

Figure 1 is a longitudinal sectional view taken through the axis of the bore of the firearm and the axis of the bore of the gas seal of my device.

Figure 2 is a view taken along the line 22 of Figure 1 looking in the direction of the arrows.

Figure 3 is a view taken along the line 3-3 of Figure 2 looking in the direction 01' the arrows.

Figure 4 is a view similar to Figure 2 of a modification of my device showing a series of gas 40 ports arranged in groups.

Referring to the drawing I have shown a muzzle i of a firearm provided with screw threads 2 adapted to mesh with screw threads 3 formed on the inside of a collar l, of my recoil control 55 wardly and outwardly from the forward part which I have generally indicated by the nuoi' the chamber adjacent the shoulder, the prolongation of the outer sides of said ports substantially coinciding with the periphery of said shoulder. These ports. l2, l3, l4, l5, as shown inFigs. l and 2, are arranged in an arcuate 5 series, around the top and sides of the device. but there are no ports in the lower part l2 of the body.

In order to eliminate climb as much as possible, the ports at thetop of,the recoil control 10 5 make a larger angle with the axis of the bore of thefirearm than do the ports lower down the sides of the recoil control. In general the construction is such that the ports makea progressively smaller angle from the top to the bottom. Referring to Figure 2, for instance, the construction is generally such that the port I 2' makes a greater angle with the axis of the bore of the firearm than the ports IS. The ports it make a greater angle than do the ports M; and the ports l4 make a greater angle than do the ports l5.

V This arrangement provides a large downward thrust by reason of the relatively great angle of the ports at the top of the recoil control. The I the top of the device, I have shown two ports 20 which are shown grouped together. Below these there is on either side considerable space II in which there are no ports, and then there are two ports 22 on the other side. This ar-- rangement permits the recoil control to be used under conditions where a recoil control having equally spaced ports all around the body could not be used. The grouping of ports, for instance as is shown in Figure 4, is of particular value in using the device on guns mounted on shipboard where a stanchion of the ship, or other parts of the gun or ship might interfere with the free flow of gases from the ports.

While I have shown anddescribed the preferred embodiment of my invention, I wish it to be understood that I do not confine myself to the precise details of construction herein set forth by way of illustration, as it is apparent that many changes and variations may be made therein, by those skilled in the art, without departing from the spirit of the invention, or

exceeding the scope of the appended claims.

and a shoulder extending laterally from the inner I end of the seal port to the side wall or the chamher. said device having an arcuate series of dis-'- charge ports extending rearwardly and outwardly from the forward part of the chamber, the prolongation of the outer sldesiof the several ports substantially coinciding-with, the periphery; of

said shoulder, the axes es the discharge ports in the upper part of the device being at a greater I angle to the axis of the seal port than are the axes of the discharge ports in the sides of the device.

2. A recoil controlling device for guns adapted amass?" I comprising'abodyadaptedi'or" to fire projectiles. attachmenttothemuxale otagunbarreL-said -bodyhavingagaschamberthreinandhfling aninletportandaseaiportattherearand forward ends otsaid'chamber, respectively, and a shoulder extending laterally from the inner end oi the seal port to the side wall of the chamber, said device'having an-arcuate series of discharge ports extending rearwardly and outwardly from the forward part or the chamber.

'the prolongation of the outer sides oi the severai ports substantially coinciding with the periphery or said'shmilder, the axes of the discharge ports in the-upper part of the device at ,,a greater angle tothe axis of the sealport me are the axes of the discharge ports in the sides. for the device, and the axes of the discharge ports veiy making a smaller angle with the axis of the seal port from the topoi the body downward.

,RQBERT H. B. HUGHES. 

